At 11:44 PM 9/5/2000 -0500, you wrote:
Hello. Here's my next big question for awhile.
In HERO, Seaquest, and Megamania, there is an energy bar at the bottom. It
has more accuracy than the 48 pixels of the six-digit score routine, so it
seems to be very useful. Has anyone looked at any code of this type to
figure out how it's done?
Thanks. :)
I was thinking about something similar, actually.
This may not be how it works, but it might be one way to do it.
You do it with a non-reflected playfield, and to gain the extra bits of
horizontal resolution, you use a "filler" sprite that is the same color as
the playfield. This could even be the ball sprite if you make it quad
width, and then just adjust the horizontal position of this sprite
accordingly to fill in the gap, between 1 and 3 pixels.
I was thinking about this because this approach COULD be used,
theoretically, for a SMOOTH HORIZONTALLY SCROLLING playfield. You'd wind
up sacrificing some of your sprites to do it, but for very simple
backgrounds, I think this would work.
By simple background, you could have up to one playfield shape pass by
horizontally (bordered by two missiles, probably, or a missile and the
ball). You wouldn't be limited by right angles, necessarily, because you
can fill in the jaggies still by HMOVing the sprites.
So it might be possible to do a kind of Dungeons and Dragons style of maze
game with smooth horizontal and vertical scrolling this way. You'd still
have both players and a missile left to work with, and you could flicker
the missile if needed.
Glenn Saunders - Producer - Cyberpunks Entertainment
Personal homepage: http://www.geocities.com/Hollywood/1698
Cyberpunks Entertainment: http://cyberpunks.uni.cc
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